:root {
  color-scheme: light dark;
  --bg: #111827;
  --card: #1f2937;
  --border: #374151;
  --text: #f9fafb;
  --muted: #d1d5db;
  --accent: #22c55e;
}

body {
  margin: 0;
  padding: 12px;
  background: radial-gradient(circle at top left, #1f2937, #111827);
  color: var(--text);
  font:
    13px/1.5 -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    sans-serif;
}

header {
  display: flex;
  gap: 8px;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

h1 {
  font-size: 15px;
  margin: 0;
}

button {
  background: #0f172a;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 8px;
  cursor: pointer;
}

button:hover {
  border-color: var(--accent);
}

.actions {
  display: flex;
  gap: 6px;
}

.card {
  background: color-mix(in srgb, var(--card) 88%, #000 12%);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  margin-bottom: 10px;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.session-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.session-title strong {
  font-size: 14px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 6px 0;
}

.tag {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 7px;
  color: var(--muted);
  font-size: 12px;
}

.list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.item {
  border: 1px solid color-mix(in srgb, var(--border) 85%, #000 15%);
  border-radius: 8px;
  padding: 6px 7px;
  background: rgba(255, 255, 255, 0.03);
  overflow: hidden;
}

.item-title {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.item-url {
  color: var(--muted);
  font-size: 11px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.row-actions {
  display: flex;
  gap: 6px;
}

.empty {
  color: var(--muted);
}